1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
import unittest
import idlelib.CallTips as ct
import textwrap
import types
default_tip = ct._default_callable_argspec
# Test Class TC is used in multiple get_argspec test methods
class TC():
'doc'
tip = "(ai=None, *b)"
def __init__(self, ai=None, *b): 'doc'
__init__.tip = "(self, ai=None, *b)"
def t1(self): 'doc'
t1.tip = "(self)"
def t2(self, ai, b=None): 'doc'
t2.tip = "(self, ai, b=None)"
def t3(self, ai, *args): 'doc'
t3.tip = "(self, ai, *args)"
def t4(self, *args): 'doc'
t4.tip = "(self, *args)"
def t5(self, ai, b=None, *args, **kw): 'doc'
t5.tip = "(self, ai, b=None, *args, **kw)"
def t6(no, self): 'doc'
t6.tip = "(no, self)"
def __call__(self, ci): 'doc'
__call__.tip = "(self, ci)"
# attaching .tip to wrapped methods does not work
@classmethod
def cm(cls, a): 'doc'
@staticmethod
def sm(b): 'doc'
tc = TC()
signature = ct.get_argspec # 2.7 and 3.x use different functions
class Get_signatureTest(unittest.TestCase):
# The signature function must return a string, even if blank.
# Test a variety of objects to be sure that none cause it to raise
# (quite aside from getting as correct an answer as possible).
# The tests of builtins may break if inspect or the docstrings change,
# but a red buildbot is better than a user crash (as has happened).
# For a simple mismatch, change the expected output to the actual.
def test_builtins(self):
# Python class that inherits builtin methods
class List(list): "List() doc"
# Simulate builtin with no docstring for default tip test
class SB: __call__ = None
def gtest(obj, out):
self.assertEqual(signature(obj), out)
if List.__doc__ is not None:
gtest(List, List.__doc__)
gtest(list.__new__,
'Create and return a new object. See help(type) for accurate signature.')
gtest(list.__init__,
'Initialize self. See help(type(self)) for accurate signature.')
append_doc = "L.append(object) -> None -- append object to end"
gtest(list.append, append_doc)
gtest([].append, append_doc)
gtest(List.append, append_doc)
gtest(types.MethodType, "method(function, instance)")
gtest(SB(), default_tip)
def test_signature_wrap(self):
if textwrap.TextWrapper.__doc__ is not None:
self.assertEqual(signature(textwrap.TextWrapper), '''\
(width=70, initial_indent='', subsequent_indent='', expand_tabs=True,
replace_whitespace=True, fix_sentence_endings=False, break_long_words=True,
drop_whitespace=True, break_on_hyphens=True, tabsize=8, *, max_lines=None,
placeholder=' [...]')''')
def test_docline_truncation(self):
def f(): pass
f.__doc__ = 'a'*300
self.assertEqual(signature(f), '()\n' + 'a' * (ct._MAX_COLS-3) + '...')
def test_multiline_docstring(self):
# Test fewer lines than max.
self.assertEqual(signature(list),
"list() -> new empty list\n"
"list(iterable) -> new list initialized from iterable's items")
# Test max lines
self.assertEqual(signature(bytes), '''\
bytes(iterable_of_ints) -> bytes
bytes(string, encoding[, errors]) -> bytes
bytes(bytes_or_buffer) -> immutable copy of bytes_or_buffer
bytes(int) -> bytes object of size given by the parameter initialized with null bytes
bytes() -> empty bytes object''')
# Test more than max lines
def f(): pass
f.__doc__ = 'a\n' * 15
self.assertEqual(signature(f), '()' + '\na' * ct._MAX_LINES)
def test_functions(self):
def t1(): 'doc'
t1.tip = "()"
def t2(a, b=None): 'doc'
t2.tip = "(a, b=None)"
def t3(a, *args): 'doc'
t3.tip = "(a, *args)"
def t4(*args): 'doc'
t4.tip = "(*args)"
def t5(a, b=None, *args, **kw): 'doc'
t5.tip = "(a, b=None, *args, **kw)"
doc = '\ndoc' if t1.__doc__ is not None else ''
for func in (t1, t2, t3, t4, t5, TC):
self.assertEqual(signature(func), func.tip + doc)
def test_methods(self):
doc = '\ndoc' if TC.__doc__ is not None else ''
for meth in (TC.t1, TC.t2, TC.t3, TC.t4, TC.t5, TC.t6, TC.__call__):
self.assertEqual(signature(meth), meth.tip + doc)
self.assertEqual(signature(TC.cm), "(a)" + doc)
self.assertEqual(signature(TC.sm), "(b)" + doc)
def test_bound_methods(self):
# test that first parameter is correctly removed from argspec
doc = '\ndoc' if TC.__doc__ is not None else ''
for meth, mtip in ((tc.t1, "()"), (tc.t4, "(*args)"), (tc.t6, "(self)"),
(tc.__call__, '(ci)'), (tc, '(ci)'), (TC.cm, "(a)"),):
self.assertEqual(signature(meth), mtip + doc)
def test_starred_parameter(self):
# test that starred first parameter is *not* removed from argspec
class C:
def m1(*args): pass
def m2(**kwds): pass
c = C()
for meth, mtip in ((C.m1, '(*args)'), (c.m1, "(*args)"),
(C.m2, "(**kwds)"), (c.m2, "(**kwds)"),):
self.assertEqual(signature(meth), mtip)
def test_non_ascii_name(self):
# test that re works to delete a first parameter name that
# includes non-ascii chars, such as various forms of A.
uni = "(A\u0391\u0410\u05d0\u0627\u0905\u1e00\u3042, a)"
assert ct._first_param.sub('', uni) == '(a)'
def test_no_docstring(self):
def nd(s):
pass
TC.nd = nd
self.assertEqual(signature(nd), "(s)")
self.assertEqual(signature(TC.nd), "(s)")
self.assertEqual(signature(tc.nd), "()")
def test_attribute_exception(self):
class NoCall:
def __getattr__(self, name):
raise BaseException
class Call(NoCall):
def __call__(self, ci):
pass
for meth, mtip in ((NoCall, default_tip), (Call, default_tip),
(NoCall(), ''), (Call(), '(ci)')):
self.assertEqual(signature(meth), mtip)
def test_non_callables(self):
for obj in (0, 0.0, '0', b'0', [], {}):
self.assertEqual(signature(obj), '')
class Get_entityTest(unittest.TestCase):
def test_bad_entity(self):
self.assertIsNone(ct.get_entity('1/0'))
def test_good_entity(self):
self.assertIs(ct.get_entity('int'), int)
if __name__ == '__main__':
unittest.main(verbosity=2, exit=False)
|
